Trying find out exact date made, where do i go to find out? I think it was made in 1917 but not sure. it is a 1 1/2 qt with hex nut in back. it is a b2 - c2
patents # 1,688.195 & 2,347.548
anti freeze
Ser # 516968

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oldfirestuff, 3 years agoGood evening. This is Pat H. from http://www.oldfirestuff.com . According to your Pat. Dates: The 1,688---- is 1928 & the 2,347----- is 1944. They made this same model for years and some were embossed with who they were for ( Railroads would have their initials on them). I even have one done all in Japaneese script in my collection. Hope this helps you. Check out our web site & find us on facebook under "oldfirestuff". Pat H.